公开(公告)号：US20170257193A1

公开(公告)日：2017-09-07

申请号：US15061899

申请日：2016-03-04

Applicant: Huawei Technologies Co., Ltd.

Inventor： Min Yan ,  Yan Xin ,  Tao Wu ,  Sheng Sun

IPC: H04L5/00

CPC classification number: H04L5/005 ,  H04L27/2613 ,  H04L29/0653 ,  H04L67/147 ,  H04L69/22 ,  H04W72/042

Abstract: A method of operating a serving point includes communicating a frame between the serving point and at least one station (STA), the frame including at least a first preamble and a second preamble, the first preamble including at least a first short training field (STF) and a legacy STF, the second preamble including at least a second STF, the legacy STF being orthogonal to the first STF and the second STF.